"The islands here have rain all year round, with abundant underground freshwater resources, and there are many mud and swamps, so a water pump is needed to facilitate construction," another person said.
"When digging, we'll definitely encounter reefs, so we also need a rock crushing machine, and we need professional engineers to operate it. When we find silver coins, it's best to have people manually collect them, because the silver coins from that ship originally accumulated on the reefs. Over time, with geological changes, the seabed silt covered them, and with the lowering of the sea level, they emerged at the sea surface. It took over two hundred years to gradually evolve into a natural reef island, so most of the silver coins are basically integrated with the island, lodged in the crevices of rocks or in the mud, requiring extremely careful mining."
